Investment in TiO2 Manufacturing Joint Venture - Additional Information (Detail) |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
USD ($)
| |
| Investment In Joint Venture [Line Items] | |
| Equity earnings of LPC | $ 0 |
| Louisiana Pigment Company, L.P. | |
| Investment In Joint Venture [Line Items] | |
| Equity interest in LPC | 50.00% |
| Tioxide. | |
| Investment In Joint Venture [Line Items] | |
| Equity interest in LPC | 50.00% |
| Tioxide. | Louisiana Pigment Company, L.P. | |
| Investment In Joint Venture [Line Items] | |
| Product purchased from LPC | 50.00% |
| Products purchased from plant | 52.00% |